Add RX100 IAR port layer.
This commit is contained in:
Richard Barry
567
FreeRTOS/Source/portable/IAR/RX100/port.c
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567
FreeRTOS/Source/portable/IAR/RX100/port.c
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File diff suppressed because it is too large
Load Diff
198
FreeRTOS/Source/portable/IAR/RX100/port_asm.s
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198
FreeRTOS/Source/portable/IAR/RX100/port_asm.s
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/*
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FreeRTOS V7.4.0 - Copyright (C) 2013 Real Time Engineers Ltd.
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FEATURES AND PORTS ARE ADDED TO FREERTOS ALL THE TIME. PLEASE VISIT
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http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
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***************************************************************************
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* *
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* FreeRTOS tutorial books are available in pdf and paperback. *
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* Complete, revised, and edited pdf reference manuals are also *
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* available. *
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* *
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* Purchasing FreeRTOS documentation will not only help you, by *
|
||||
* ensuring you get running as quickly as possible and with an *
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* in-depth knowledge of how to use FreeRTOS, it will also help *
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* the FreeRTOS project to continue with its mission of providing *
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* professional grade, cross platform, de facto standard solutions *
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* for microcontrollers - completely free of charge! *
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* *
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* >>> See http://www.FreeRTOS.org/Documentation for details. <<< *
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* *
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* Thank you for using FreeRTOS, and thank you for your support! *
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* *
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***************************************************************************
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This file is part of the FreeRTOS distribution.
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FreeRTOS is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License (version 2) as published by the
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Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
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>>>>>>NOTE<<<<<< The modification to the GPL is included to allow you to
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distribute a combined work that includes FreeRTOS without being obliged to
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provide the source code for proprietary components outside of the FreeRTOS
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kernel.
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||||
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FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
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||||
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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||||
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
|
||||
details. You should have received a copy of the GNU General Public License
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||||
and the FreeRTOS license exception along with FreeRTOS; if not itcan be
|
||||
viewed here: http://www.freertos.org/a00114.html and also obtained by
|
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writing to Real Time Engineers Ltd., contact details for whom are available
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on the FreeRTOS WEB site.
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||||
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1 tab == 4 spaces!
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||||
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||||
***************************************************************************
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* *
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* Having a problem? Start by reading the FAQ "My application does *
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* not run, what could be wrong?" *
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* *
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* http://www.FreeRTOS.org/FAQHelp.html *
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* *
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***************************************************************************
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http://www.FreeRTOS.org - Documentation, books, training, latest versions,
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license and Real Time Engineers Ltd. contact details.
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||||
|
||||
http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
|
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including FreeRTOS+Trace - an indispensable productivity tool, and our new
|
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fully thread aware and reentrant UDP/IP stack.
|
||||
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http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
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Integrity Systems, who sell the code with commercial support,
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indemnification and middleware, under the OpenRTOS brand.
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http://www.SafeRTOS.com - High Integrity Systems also provide a safety
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engineered and independently SIL3 certified version for use in safety and
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mission critical applications that require provable dependability.
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*/
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#include "PriorityDefinitions.h"
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PUBLIC _prvStartFirstTask
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PUBLIC ___interrupt_27
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EXTERN _pxCurrentTCB
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EXTERN _vTaskSwitchContext
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RSEG CODE:CODE(4)
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_prvStartFirstTask:
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/* When starting the scheduler there is nothing that needs moving to the
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interrupt stack because the function is not called from an interrupt.
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Just ensure the current stack is the user stack. */
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SETPSW U
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/* Obtain the location of the stack associated with which ever task
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pxCurrentTCB is currently pointing to. */
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MOV.L #_pxCurrentTCB, R15
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MOV.L [R15], R15
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MOV.L [R15], R0
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/* Restore the registers from the stack of the task pointed to by
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pxCurrentTCB. */
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POP R15
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/* Accumulator low 32 bits. */
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MVTACLO R15
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POP R15
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/* Accumulator high 32 bits. */
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MVTACHI R15
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/* R1 to R15 - R0 is not included as it is the SP. */
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POPM R1-R15
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/* This pops the remaining registers. */
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RTE
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NOP
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NOP
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/*-----------------------------------------------------------*/
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/* The software interrupt - overwrite the default 'weak' definition. */
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___interrupt_27:
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/* Re-enable interrupts. */
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SETPSW I
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/* Move the data that was automatically pushed onto the interrupt stack when
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the interrupt occurred from the interrupt stack to the user stack.
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R15 is saved before it is clobbered. */
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PUSH.L R15
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/* Read the user stack pointer. */
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MVFC USP, R15
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/* Move the address down to the data being moved. */
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SUB #12, R15
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MVTC R15, USP
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/* Copy the data across, R15, then PC, then PSW. */
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MOV.L [ R0 ], [ R15 ]
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MOV.L 4[ R0 ], 4[ R15 ]
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MOV.L 8[ R0 ], 8[ R15 ]
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/* Move the interrupt stack pointer to its new correct position. */
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ADD #12, R0
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/* All the rest of the registers are saved directly to the user stack. */
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SETPSW U
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/* Save the rest of the general registers (R15 has been saved already). */
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PUSHM R1-R14
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/* Save the accumulator. */
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MVFACHI R15
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PUSH.L R15
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/* Middle word. */
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MVFACMI R15
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/* Shifted left as it is restored to the low order word. */
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SHLL #16, R15
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PUSH.L R15
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/* Save the stack pointer to the TCB. */
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MOV.L #_pxCurrentTCB, R15
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MOV.L [ R15 ], R15
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MOV.L R0, [ R15 ]
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/* Ensure the interrupt mask is set to the syscall priority while the kernel
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structures are being accessed. */
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MVTIPL #configMAX_SYSCALL_INTERRUPT_PRIORITY
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/* Select the next task to run. */
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BSR.A _vTaskSwitchContext
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/* Reset the interrupt mask as no more data structure access is required. */
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MVTIPL #configKERNEL_INTERRUPT_PRIORITY
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/* Load the stack pointer of the task that is now selected as the Running
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state task from its TCB. */
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MOV.L #_pxCurrentTCB,R15
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MOV.L [ R15 ], R15
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MOV.L [ R15 ], R0
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/* Restore the context of the new task. The PSW (Program Status Word) and
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PC will be popped by the RTE instruction. */
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POP R15
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MVTACLO R15
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POP R15
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MVTACHI R15
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POPM R1-R15
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RTE
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NOP
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NOP
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/*-----------------------------------------------------------*/
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END
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178
FreeRTOS/Source/portable/IAR/RX100/portmacro.h
Normal file
178
FreeRTOS/Source/portable/IAR/RX100/portmacro.h
Normal file
@ -0,0 +1,178 @@
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/*
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FreeRTOS V7.4.0 - Copyright (C) 2013 Real Time Engineers Ltd.
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|
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FEATURES AND PORTS ARE ADDED TO FREERTOS ALL THE TIME. PLEASE VISIT
|
||||
http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
|
||||
|
||||
***************************************************************************
|
||||
* *
|
||||
* FreeRTOS tutorial books are available in pdf and paperback. *
|
||||
* Complete, revised, and edited pdf reference manuals are also *
|
||||
* available. *
|
||||
* *
|
||||
* Purchasing FreeRTOS documentation will not only help you, by *
|
||||
* ensuring you get running as quickly as possible and with an *
|
||||
* in-depth knowledge of how to use FreeRTOS, it will also help *
|
||||
* the FreeRTOS project to continue with its mission of providing *
|
||||
* professional grade, cross platform, de facto standard solutions *
|
||||
* for microcontrollers - completely free of charge! *
|
||||
* *
|
||||
* >>> See http://www.FreeRTOS.org/Documentation for details. <<< *
|
||||
* *
|
||||
* Thank you for using FreeRTOS, and thank you for your support! *
|
||||
* *
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||||
***************************************************************************
|
||||
|
||||
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This file is part of the FreeRTOS distribution.
|
||||
|
||||
FreeRTOS is free software; you can redistribute it and/or modify it under
|
||||
the terms of the GNU General Public License (version 2) as published by the
|
||||
Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
|
||||
|
||||
>>>>>>NOTE<<<<<< The modification to the GPL is included to allow you to
|
||||
distribute a combined work that includes FreeRTOS without being obliged to
|
||||
provide the source code for proprietary components outside of the FreeRTOS
|
||||
kernel.
|
||||
|
||||
FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
|
||||
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
|
||||
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
|
||||
details. You should have received a copy of the GNU General Public License
|
||||
and the FreeRTOS license exception along with FreeRTOS; if not itcan be
|
||||
viewed here: http://www.freertos.org/a00114.html and also obtained by
|
||||
writing to Real Time Engineers Ltd., contact details for whom are available
|
||||
on the FreeRTOS WEB site.
|
||||
|
||||
1 tab == 4 spaces!
|
||||
|
||||
***************************************************************************
|
||||
* *
|
||||
* Having a problem? Start by reading the FAQ "My application does *
|
||||
* not run, what could be wrong?" *
|
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* *
|
||||
* http://www.FreeRTOS.org/FAQHelp.html *
|
||||
* *
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||||
***************************************************************************
|
||||
|
||||
|
||||
http://www.FreeRTOS.org - Documentation, books, training, latest versions,
|
||||
license and Real Time Engineers Ltd. contact details.
|
||||
|
||||
http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
|
||||
including FreeRTOS+Trace - an indispensable productivity tool, and our new
|
||||
fully thread aware and reentrant UDP/IP stack.
|
||||
|
||||
http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
|
||||
Integrity Systems, who sell the code with commercial support,
|
||||
indemnification and middleware, under the OpenRTOS brand.
|
||||
|
||||
http://www.SafeRTOS.com - High Integrity Systems also provide a safety
|
||||
engineered and independently SIL3 certified version for use in safety and
|
||||
mission critical applications that require provable dependability.
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||||
*/
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#ifndef PORTMACRO_H
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#define PORTMACRO_H
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#include <intrinsics.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Hardware specifics. */
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#include "machine.h"
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/*-----------------------------------------------------------
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* Port specific definitions.
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*
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* The settings in this file configure FreeRTOS correctly for the
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* given hardware and compiler.
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*
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* These settings should not be altered.
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*-----------------------------------------------------------
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*/
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/* Type definitions - these are a bit legacy and not really used now, other than
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portSTACK_TYPE and portBASE_TYPE. */
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#define portCHAR char
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#define portFLOAT float
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#define portDOUBLE double
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#define portLONG long
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#define portSHORT short
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#define portSTACK_TYPE unsigned portLONG
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#define portBASE_TYPE long
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#if( configUSE_16_BIT_TICKS == 1 )
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typedef unsigned portSHORT portTickType;
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#define portMAX_DELAY ( portTickType ) 0xffff
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#else
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typedef unsigned portLONG portTickType;
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#define portMAX_DELAY ( portTickType ) 0xffffffff
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#endif
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/*-----------------------------------------------------------*/
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/* Hardware specifics. */
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#define portBYTE_ALIGNMENT 8 /* Could make four, according to manual. */
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#define portSTACK_GROWTH -1
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#define portTICK_RATE_MS ( ( portTickType ) 1000 / configTICK_RATE_HZ )
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#define portNOP() __no_operation()
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#define portYIELD() \
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__asm volatile \
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( \
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"MOV.L #0x872E0, R15 \n\t" \
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"MOV.B #1, [R15] \n\t" \
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"MOV.L [R15], R15 \n\t" \
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::: "R15" \
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)
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#define portYIELD_FROM_ISR( x ) if( ( x ) != pdFALSE ) { portYIELD(); }
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/*
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* These macros should be called directly, but through the taskENTER_CRITICAL()
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* and taskEXIT_CRITICAL() macros.
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*/
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#define portENABLE_INTERRUPTS() __set_interrupt_level( ( unsigned char ) 0 )
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#define portDISABLE_INTERRUPTS() __set_interrupt_level( ( unsigned char ) configMAX_SYSCALL_INTERRUPT_PRIORITY )
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/* Critical nesting counts are stored in the TCB. */
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#define portCRITICAL_NESTING_IN_TCB ( 1 )
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/* The critical nesting functions defined within tasks.c. */
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extern void vTaskEnterCritical( void );
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extern void vTaskExitCritical( void );
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#define portENTER_CRITICAL() vTaskEnterCritical()
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#define portEXIT_CRITICAL() vTaskExitCritical()
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/* As this port allows interrupt nesting... */
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unsigned long ulPortGetIPL( void );
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void vPortSetIPL( unsigned long ulNewIPL );
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#define portSET_INTERRUPT_MASK_FROM_ISR() __get_interrupt_level(); portDISABLE_INTERRUPTS()
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#define portCLEAR_INTERRUPT_MASK_FROM_ISR( uxSavedInterruptStatus ) __set_interrupt_level( ( unsigned char ) ( uxSavedInterruptStatus ) )
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/* Tickless idle/low power functionality. */
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#if configUSE_TICKLESS_IDLE == 1
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#ifndef portSUPPRESS_TICKS_AND_SLEEP
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extern void vPortSuppressTicksAndSleep( portTickType xExpectedIdleTime );
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#define portSUPPRESS_TICKS_AND_SLEEP( xExpectedIdleTime ) vPortSuppressTicksAndSleep( xExpectedIdleTime )
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#endif
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#endif
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/*-----------------------------------------------------------*/
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/* Task function macros as described on the FreeRTOS.org WEB site. */
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#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )
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#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )
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/* This macro is not appropriate for this port so is defined away. */
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#define portALIGNMENT_ASSERT_pxCurrentTCB( x )
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#ifdef __cplusplus
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}
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#endif
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#endif /* PORTMACRO_H */
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